On Jul 23, 2026, 24 insiders at 18 companies filed 51 purchases reported on Form 4, worth $27.4M in all, with a median purchase of $74.4K. The largest was UAW Chrysler Retirees Medical Benefits Plan, 10% owner of CIK 1841514, who reported buying 5,655 shares worth $5.0M. Officers accounted for 19 purchases, directors who are not officers for 15, and 10% owners with no board or officer role for 13. Chief executives and chief financial officers filed 13 purchases: Huang Jack Jiajia, Chief Executive Officer, Director, 10% owner of 51Talk Online Education Group (COE); Smith Matthew James, President & CEO, Director of Rhinebeck Bancorp, Inc. (RBKB); Davis Conn Q., Chief Executive Officer, Director of Byrna Technologies Inc. (BYRN) among others. 5 companies showed cluster buying, two or more insiders buying within 7 days, among them RBKB (4 insiders), BYRN (4 insiders), GRML (3 insiders), TSM (2 insiders). For 8 insiders of 24, this was the first purchase of that company's stock on our record. That is fewer than the 58 purchases filed on Jul 22, 2026. A Form 4 is due within two business days of the trade, so most of these purchases were made earlier in the week. Code P also covers shares bought privately from the company, so one large figure can be a negotiated placement rather than buying on the exchange.
| Company | Value | Insider | Role | Shares | Filed |
|---|---|---|---|---|---|
| CIK 1841514 | $5.0M | UAW Chrysler Retirees Medical Benefits Plan | 10% owner | 5,655 | 2026-07-23 |
| COE 51Talk Online Education Group | $3.1M | Huang Jack Jiajia | Chief Executive Officer, Director, 10% owner | 178,800 | 2026-07-23 |
| CIK 1841514 | $3.0M | UAW Chrysler Retirees Medical Benefits Plan | 10% owner | 3,431 | 2026-07-23 |
| COE 51Talk Online Education Group | $2.3M | Huang Jack Jiajia | Chief Executive Officer, Director, 10% owner | 135,540 | 2026-07-23 |
| CIK 1841514 | $1.9M | UAW Chrysler Retirees Medical Benefits Plan | 10% owner | 2,201 | 2026-07-23 |
| COE 51Talk Online Education Group | $1.9M | Huang Jack Jiajia | Chief Executive Officer, Director, 10% owner | 112,500 | 2026-07-23 |
| COE 51Talk Online Education Group | $1.9M | Huang Jack Jiajia | Chief Executive Officer, Director, 10% owner | 111,840 | 2026-07-23 |
| COE 51Talk Online Education Group | $1.4M | Huang Jack Jiajia | Chief Executive Officer, Director, 10% owner | 83,460 | 2026-07-23 |
| ARTV Artiva Biotherapeutics, Inc. | $1.2M | Ra Capital Management, L.p. | Director, 10% owner | 120,582 | 2026-07-23 |
| ARTV Artiva Biotherapeutics, Inc. | $835.4K | Ra Capital Management, L.p. | Director, 10% owner | 84,124 | 2026-07-23 |
| ARTV Artiva Biotherapeutics, Inc. | $596.4K | Ra Capital Management, L.p. | Director, 10% owner | 59,880 | 2026-07-23 |
| ENR Energizer Holdings, Inc. | $419.1K | Aqua Capital, Ltd. | 10% owner | 20,000 | 2026-07-23 |
| ENR Energizer Holdings, Inc. | $413.4K | Aqua Capital, Ltd. | 10% owner | 20,000 | 2026-07-23 |
| ENR Energizer Holdings, Inc. | $412.4K | Aqua Capital, Ltd. | 10% owner | 20,000 | 2026-07-23 |
| ENR Energizer Holdings, Inc. | $396.9K | Aqua Capital, Ltd. | 10% owner | 20,000 | 2026-07-23 |
| ENR Energizer Holdings, Inc. | $395.4K | Aqua Capital, Ltd. | 10% owner | 20,000 | 2026-07-23 |
| ENR Energizer Holdings, Inc. | $393.4K | Aqua Capital, Ltd. | 10% owner | 20,000 | 2026-07-23 |
| RBKB Rhinebeck Bancorp, Inc. | $298.5K | Patzwahl Nancy Koskey | Director | 25,000 | 2026-07-23 |
| MXF Mexico Fund Inc | $166.2K | Saba Capital Management, L.P. | 10% owner | 7,623 | 2026-07-23 |
| CIK 1816389 | $150.0K | Mian Arslan Hameed | Insider | 9,980 | 2026-07-23 |
| RBKB Rhinebeck Bancorp, Inc. | $143.2K | Loughlin Suzanne | Director | 12,000 | 2026-07-23 |
| RBKB Rhinebeck Bancorp, Inc. | $121.5K | Smith Matthew James | President & CEO, Director | 10,125 | 2026-07-23 |
| BYRN Byrna Technologies Inc. | $102.3K | Kennedy TJ | Director | 29,000 | 2026-07-23 |
| BXSY Bexil Investment Trust | $77.1K | Winmill & Co. Inc | Insider | 4,500 | 2026-07-23 |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | $74.8K | Tien Bor-Zen | VP | 1,000 | 2026-07-23 |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | $74.4K | Tien Bor-Zen | VP | 1,000 | 2026-07-23 |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | $74.1K | Tien Bor-Zen | VP | 1,000 | 2026-07-23 |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | $74.0K | Tien Bor-Zen | VP | 1,000 | 2026-07-23 |
| BXSY Bexil Investment Trust | $66.9K | Winmill & Co. Inc | Insider | 3,887 | 2026-07-23 |
| BYRN Byrna Technologies Inc. | $65.0K | Davis Conn Q. | Chief Executive Officer, Director | 18,768 | 2026-07-23 |
| BYRN Byrna Technologies Inc. | $65.0K | Davis Conn Q. | Chief Executive Officer, Director | 18,768 | 2026-07-23 |
| RBKB Rhinebeck Bancorp, Inc. | $59.7K | Vitale Michael | EVP, Head of Comm Banking | 5,000 | 2026-07-23 |
| ARTV Artiva Biotherapeutics, Inc. | $58.3K | Ra Capital Management, L.p. | Director, 10% owner | 6,522 | 2026-07-23 |
| GRML Greenland Mines Ltd | $55.9K | Sawyer Jason David | Director | 240,000 | 2026-07-23 |
| BYRN Byrna Technologies Inc. | $42.5K | Hughes Herbert | Director | 12,500 | 2026-07-23 |
| PML Pimco Municipal Income Fund Ii | $37.5K | Morris Sonya | Director | 5,000 | 2026-07-23 |
| AWF Alliancebernstein Global High Income Fund Inc | $35.0K | Wrapp Emilie D. | Director | 3,432 | 2026-07-23 |
| RBKB Rhinebeck Bancorp, Inc. | $27.6K | Smith Matthew James | President & CEO, Director | 2,300 | 2026-07-23 |
| RANI Rani Therapeutics Holdings, Inc. | $24.8K | Imran Mir A | Director, 10% owner | 36,000 | 2026-07-23 |
| BYRN Byrna Technologies Inc. | $19.0K | Hughes Herbert | Director | 5,478 | 2026-07-23 |
| BYRN Byrna Technologies Inc. | $12.7K | Hughes Herbert | Director | 3,703 | 2026-07-23 |
| BYRN Byrna Technologies Inc. | $12.0K | Davis Conn Q. | Chief Executive Officer, Director | 3,430 | 2026-07-23 |
| BYRN Byrna Technologies Inc. | $11.7K | Davis Conn Q. | Chief Executive Officer, Director | 3,340 | 2026-07-23 |
| IQI Invesco Quality Municipal Income Trust | $8.0K | O'Reilly Timothy M | Insider | 780 | 2026-07-23 |
| BYRN Byrna Technologies Inc. | $6.8K | Kearnes Laurilee | Chief Financial Officer | 2,000 | 2026-07-23 |
| RBKB Rhinebeck Bancorp, Inc. | $6.0K | Loughlin Suzanne | Director | 500 | 2026-07-23 |
| MXF Mexico Fund Inc | $4.3K | Saba Capital Management, L.P. | 10% owner | 200 | 2026-07-23 |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | $4.0K | Tien Bor-Zen | VP | 10 | 2026-07-23 |
| RCG RENN Fund, Inc. | $2.3K | Horizon Kinetics Asset Management Llc | 10% owner | 756 | 2026-07-23 |
| TPL Texas Pacific Land Corp | $427 | Horizon Kinetics Asset Management Llc | 10% owner | 1 | 2026-07-23 |
| NVA Nova Minerals Corp | $34 | Gerteisen Christopher | Chief Executive Officer, Director | 5 | 2026-07-23 |
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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